Q:

The cricket match proved to be a big draw. (Idioms & Phrases)

A) a huge attraction	B) a game without any result
C) a keen contest	D) a lovely spectacle

Answer & Explanation Answer: A) a huge attraction

Explanation:

Here it is an idiom that says The cricket match proved to be a big draw means it stands as a huge attraction.

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2 10296

Q:

Most commonly used bleaching agent is

A) Chlorine	B) Alcohol
C) Carbon dioxide	D) Sodium Chloride

Answer & Explanation Answer: A) Chlorine

Explanation:

Chlorine is the most commonly used bleaching agent.

Bleaching agents are compounds which are used to remove color from substances such as textiles. A bleaching agent is a material that lightens or whitens a substrate through the chemical reaction. The bleaching reactions usually involve oxidative or reductive processes that degrade color systems.

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10 10291

Q:

Which of the following is the largest unit of storage?

A) GB	B) KB
C) MB	D) TB

Answer & Explanation Answer: D) TB

Explanation:

The storage capacity is measured in bytes, kilo bytes, mega bytes, giga bytes and tera bytes. The largest unit of storage is Tera bytes.

Which_of_the_following_is_the_largest_unit_of_storage1552389085.png image

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16 10284

Q:

A gas absorbs a photon of 355 nm and emits at two wavelengths. If one of the emissions is at 680 nm, the other is at :

A) 518 nm	B) 1035 nm
C) 325 nm	D) 743 nm

Answer & Explanation Answer: D) 743 nm

Explanation:

$\frac{1}{λ} = \frac{1}{λ 1} + \frac{1}{λ 2}$

$\frac{1}{355} = \frac{1}{680} + \frac{1}{λ 2}$

$\frac{1}{λ 2} = \frac{680 - 355}{680 \times 355}$

$\Rightarrow λ 2 = 743 n m$ .

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12 10267

Q:

The Microsoft Access wildcards are ____ and ____ .

A) asterisk (*); percent sign (%)	B) percent sign (%); underscore (_)
C) underscore(_); question mark (?)	D) question mark (?); asterisk (*)

Answer & Explanation Answer: D) question mark (?); asterisk (*)

Explanation:

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Q:

From which one of the following places,remains of wells have been found in houses belonging to the development stage of the Indus Valley Civilization

A) Harappa	B) Kalibangan
C) Lothal	D) Mohenjodaro

Answer & Explanation Answer: D) Mohenjodaro

Explanation:

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Q:

An atom has 7 electrons in its M - shell and contains 18 neutrons in its nucleus. What is its mass number

A) 25	B) 27
C) 35	D) 43

Answer & Explanation Answer: C) 35

Explanation:

According to Bohr model, Each shell can occupy 2 $n^{2}$ electrons in their orbits where n=1,2,3.. for K,L,M,..

The atom has 2 electrons in k, 8 electrons in L and 7 electrons in M = 2 + 8 + 7 = 17

And given that its nucleus has 18 neutrons

=> its mass number = number of (electrons + neutrons ) = 17 + 18 = 35

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Q:

Which part of the female reproductive system prepares itself every month to receive and nurture the growing child?

A) Ovary	B) Uterus
C) Vagina	D) Cervix

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